Morlacco A et al. Eur Urol 2017; 71(5): 701-704. doi:10.1016/j.eururo.2016.08.015 Please follow the link below to view this article in full on a third party website. Note that a subscription or payment may be required. http://www.europeanurology.com/article/S0302-2838(16)30482-1